<?php

namespace yak\layui\models\admin;

use Yii;
use yak\layui\models\Yak;
use yii\base\NotSupportedException;

/**
 * This is the model class for table "lay_admin".
 *
 * @property int $id
 * @property string|null $name
 * @property string|null $avatar
 * @property string $username
 * @property string $auth_key
 * @property string $password_hash
 * @property string|null $password_reset_token
 * @property string $email
 * @property int $status
 * @property int $type 0普通用户9超级管理员
 * @property int $created_at
 * @property int $updated_at
 */
class User extends Yak implements \yii\web\IdentityInterface
{
    const STATUS_DELETED = 0;
    const STATUS_ACTIVE = 10;

    const TYPE_SUPER = 9;
    const TYPE_NORMAL = 0;

    /**
     * {@inheritdoc}
     */
    public static function tableName()
    {
        return '{{%admin}}';
    }

    /**
     * {@inheritdoc}
     */
    public function rules()
    {
        return [
            [['username', 'auth_key', 'password_hash', 'email'], 'required'],
            [['status', 'type'], 'integer'],
            [['name'], 'string', 'max' => 128],
            [['avatar', 'username', 'password_hash', 'password_reset_token', 'email'], 'string', 'max' => 255],
            [['auth_key'], 'string', 'max' => 32],
            [['username'], 'unique'],
            [['email'], 'unique'],
            [['password_reset_token'], 'unique'],
        ];
    }

    /**
     * {@inheritdoc}
     */
    public function attributeLabels()
    {
        return [
            'id' => 'ID',
            'name' => '姓名',
            'avatar' => '头像',
            'username' => '账号',
            'auth_key' => 'Auth Key',
            'password_hash' => 'Password Hash',
            'password_reset_token' => 'Password Reset Token',
            'email' => 'Email',
            'status' => '状态',
            'type' => '类型',
            'created_at' => '创建时间',
            'updated_at' => '更新时间',
        ];
    }

    public function statusLabels()
    {
        return [
            self::STATUS_ACTIVE => '正常',
            self::STATUS_DELETED => '冻结'
        ];
    }

    public function typeLabels()
    {
        return [
            self::TYPE_NORMAL => '普通用户',
            self::TYPE_SUPER => '超级管理员'
        ];
    }

    /**
     * @inheritdoc
     */
    public static function findIdentity($id)
    {
        return static::findOne(['id' => $id, 'status' => self::STATUS_ACTIVE]);
    }

    /**
     * @inheritdoc
     */
    public static function findIdentityByAccessToken($token, $type = null)
    {
        throw new NotSupportedException('"findIdentityByAccessToken" is not implemented.');
    }

    /**
     * Finds user by username
     *
     * @param string $username
     * @return static|null
     */
    public static function findByUsername($username)
    {
        return static::findOne(['username' => $username, 'status' => self::STATUS_ACTIVE]);
    }

    /**
     * Finds user by password reset token
     *
     * @param string $token password reset token
     * @return static|null
     */
    public static function findByPasswordResetToken($token)
    {
        if (!static::isPasswordResetTokenValid($token)) {
            return null;
        }

        return static::findOne([
            'password_reset_token' => $token,
            'status' => self::STATUS_ACTIVE,
        ]);
    }

    /**
     * Finds out if password reset token is valid
     *
     * @param string $token password reset token
     * @return bool
     */
    public static function isPasswordResetTokenValid($token)
    {
        if (empty($token)) {
            return false;
        }

        $timestamp = (int)substr($token, strrpos($token, '_') + 1);
        $expire = Yii::$app->params['user.passwordResetTokenExpire'];
        return $timestamp + $expire >= time();
    }

    /**
     * @inheritdoc
     */
    public function getId()
    {
        return $this->getPrimaryKey();
    }

    /**
     * @inheritdoc
     */
    public function super()
    {
        return $this->type == self::TYPE_SUPER;
    }

    /**
     * @inheritdoc
     */
    public function getAuthKey()
    {
        return $this->auth_key;
    }

    /**
     * @inheritdoc
     */
    public function validateAuthKey($authKey)
    {
        return $this->getAuthKey() === $authKey;
    }

    /**
     * Validates password
     *
     * @param string $password password to validate
     * @return bool if password provided is valid for current user
     */
    public function validatePassword($password)
    {
        return Yii::$app->security->validatePassword($password, $this->password_hash);
    }

    /**
     * @param $password
     * @throws \yii\base\Exception
     */
    public function setPassword($password)
    {
        $this->password_hash = Yii::$app->security->generatePasswordHash($password);
    }

    /**
     * @throws \yii\base\Exception
     */
    public function generateAuthKey()
    {
        $this->auth_key = Yii::$app->security->generateRandomString();
    }

    /**
     * @throws \yii\base\Exception
     */
    public function generatePasswordResetToken()
    {
        $this->password_reset_token = Yii::$app->security->generateRandomString() . '_' . time();
    }

    /**
     * Removes password reset token
     */
    public function removePasswordResetToken()
    {
        $this->password_reset_token = null;
    }
}
